Evaluation and Optimization of the Registrar Redundancy Handling in Reliable Server Pooling Systems
In: Proceedings of the IEEE 23rd International Conference on Advanced Information Networking and Applications (AINA 2009)
IEEE Computer Society (2009), S. 256-262
Buchaufsatz / Kapitel / Fach: Informatik
Zentrale wissenschaftliche Einrichtungen » Institut für Experimentelle Mathematik (IEM) Essen
The Reliable Server Pooling (RSerPool) architecture is the IETF's new standard for a lightweight server redundancy and session failover framework to support availability-critical applications. RSerPool combines the ideas from different research areas into a single, resource-efficient and unified architecture. Server pools are maintained by redundant management components, which are called registrars. Registrars monitor the availability of servers in the pool and remove them in case of failure. Furthermore, they synchronize their view of the pool with other registrars to provide information redundancy. In this paper, we first analyze the implications of registrar redundancy on the server pool performance. Furthermore, we present an optimization approach for the server pool management, which improves the system performance in case of registrar problems by hardware failures or Denial of Service attacks.
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